Magyar Tudományos Művek Tára
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Ethylene-induced stress resistance
Angol nyelvű Tudományos Könyvfejezet (Könyvrészlet)
Low Temperature Stress Physiology in Crops. (2018) ISBN:9781315895086; 0849365678; 9781351082631
Ethylene production is a common response to most stresses, including freezing, 1,2 chilling, 3 wounding, 4,5 water, 6,7 salt, 8 and mineral stress, 9,10 as well as disease and insect attack, 11 and exposure to air polutants, 12,13 toxic chemicals, 14 or herbicides. 15 The amount of stress-induced ethylene production is used to quantify the degree of stress a plant has undergone. 16,17 Typically, ethylene production increases with the severity of the stress imposed, up to the point of 50% tissue damage. 1 As the percentage of tissue damage increases over 50%, ethylene production decreases. This is presumably because ethylene formation occurs in living cells, with intact membranes, adjacent to those which are damaged. Ethylene production may also be used as a selection criteria in the breeding of stress resistant varieties. The more tolerant varieties generally produce less ethylene than the sensitive varieties, at a given level of stress. 18,19 Furthermore, it is known that pre-exposure to one stress will often confer resistance to another. 20-23 This knowledge, along with the nearly universal nature of stress ethylene production, suggests ethylene as having the role of a universal, stress-induced defense hormone. © 1989 by CRC Press, Inc.
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